In fact, it seems that he's asking about using a map from HG/SS. I guess I'll ask a related question. If someone has a ROMhack of an original game (let's use Liquid Crystal as an example) and a completed map of an area meant to mimic the original, would that still count as someone else's original map since the inspiration and original layout came from that game? Or does it in fact count as your own map if you redid it in your hack with new graphics, new changes to the layout, etc.?

Cyclone

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"Y'know...my Emolga really wants to shock your Dedenne."

Cyclone. FC: 5327-1949-9511. Safari: Lampent, Pumpkaboo, and Golurk (Ghost). Champion of the GC11 Pokémon Challenge!
Breeder extraordinaire. Horrible battler. I take requests! Looking ahead to SSB3D for even more fun!

Pokémon Black National Pokédex completed on December 13, 2012.My Lv.7 UT Shiny Nincada (Hoenn) is now in Kalos for trade offers.